Dimethyl Ether

Base Information

• Chemical Name: Dimethyl Ether
• CAS No.: 115-10-6
• Deprecated CAS: 157621-61-9,451449-67-5,451449-67-5
• Molecular Formula: C2H6O
• Molecular Weight: 46.069
• Hs Code.: 2909191000
• European Community (EC) Number: 204-065-8
• ICSC Number: 0454
• UN Number: 1033
• UNII: AM13FS69BX
• DSSTox Substance ID: DTXSID8026937
• Nikkaji Number: J2.275.141G,J2.464C,J2.911.357B
• Wikipedia: Dimethyl ether
• Wikidata: Q408050,Q83037353
• NCI Thesaurus Code: C1645
• RXCUI: 1313349
• Metabolomics Workbench ID: 51879
• ChEMBL ID: CHEMBL119178
• Mol file: 115-10-6.mol

Synonyms:dimethyl ether

Chemical Property of Dimethyl Ether

Chemical Property:

• Appearance/Colour: colourless gas
• Vapor Pressure: >760 mm Hg ( 25 °C)
• Melting Point: -141 °C(lit.)
• Refractive Index: 1.2984
• Boiling Point: -24.8 °C(lit.)
• Flash Point: -41°C
• PSA: 9.23000
• Density: 0.678 g/cm³
• LogP: 0.26260
• Solubility.: Soluble in acetone, chloroform, ethanol (95%), ether, and 1 in 3 parts of water. Dimethyl ether is generally miscible with water, nonpolar materials, and some semipolar materials. For pharmaceutical aerosols, ethanol (95%) is the most useful cosolvent. Glycols, oils, and other similar materials exhibit varying degrees of miscibility with dimethyl ether.
• Water Solubility.: soluble
• XLogP3: 0.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 46.041864811
• Heavy Atom Count: 3
• Complexity: 2.8
• Transport DOT Label: Flammable Gas

Purity/Quality:

99.0% ^*data from raw suppliers

Dimethyl ether 99% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F++
• Hazard Codes: F+
• Statements: 12
• Safety Statements: 9-16-33

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Solvents -> Ethers (
• Canonical SMILES: COC
• Inhalation Risk: On loss of containment, a harmful concentration of this gas in the air will be reached very quickly, especially in confined spaces.
• Effects of Short Term Exposure: The substance is irritating to the eyes and respiratory tract. Rapid evaporation of the liquid may cause frostbite. The substance may cause effects on the central nervous system. Exposure could cause lowering of consciousness.
• Uses: Methyl ether is used as an aerosol propellantand in refrigeration. Aerosol propellant; alternative diesel fuel; chemical intermediate. Dimethyl ether is used as a solvent in aerosol formulations.

Technology Process of Dimethyl Ether

There total 603 articles about Dimethyl Ether which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 60.41%

1-methoxyoctane (929-56-6) → methanol (67-56-1) + trans-4-Octene (14850-23-8) + oct-3-ene (14850-22-7,14919-01-8,138663-42-0,592-98-3) + cis-2-octene (7642-04-8) + trans-2-Octene (13389-42-9) + Dimethyl ether (115-10-6,157621-61-9) + oct-1-ene (111-66-0,25068-25-1) + (Z)-oct-4-ene (7642-15-1)

Guidance literature:

at 350 ℃; under 750.075 Torr; Product distribution / selectivity; Gas phase;

Reference yield: 28.5%

carbon dioxide (124-38-9,18923-20-1) + carbon monoxide (201230-82-2) → methanol (67-56-1) + propan-1-ol (71-23-8) + propylene glycol (57-55-6,63625-56-9) + 1,4-Pentanediol (626-95-9) + 1 ,5-pentanediol (111-29-5) + Butane-1,4-diol (110-63-4) + diethyl ether (60-29-7,927820-24-4) + methane (34557-54-5,27936-85-2) + ethanol (64-17-5) + (+/-)-2-pentanol (6032-29-7,13403-73-1) + 1.3-butanediol (18826-95-4,107-88-0) + 1,2-pentanediol (5343-92-0) + ethane (74-84-0) + propane (74-98-6) + Dimethyl ether (115-10-6,157621-61-9) + ethyl methyl ether (540-67-0) + 2-methyl-propan-1-ol (78-83-1) + 2-pentanol (584-02-1) + pentan-1-ol (71-41-0) + 1,3-pentanediol (3174-67-2) + acetic acid methyl ester (79-20-9) + isopropyl alcohol (67-63-0,8013-70-5) + iso-butanol (78-92-2,15892-23-6) + tert-butyl alcohol (75-65-0) + butan-1-ol (71-36-3) + 1,2-dihydroxybutane (584-03-2)

Guidance literature:

With hydrogen; Cu/Co/Al; at 260 - 320 ℃; under 45004.5 - 75007.5 Torr; Conversion of starting material;

Reference yield: 28.5%

carbon dioxide (124-38-9,18923-20-1) + carbon monoxide (201230-82-2) → methanol (67-56-1) + propan-1-ol (71-23-8) + propylene glycol (57-55-6,63625-56-9) + 1,4-Pentanediol (626-95-9) + 1 ,5-pentanediol (111-29-5) + Butane-1,4-diol (110-63-4) + diethyl ether (60-29-7,927820-24-4) + ethanol (64-17-5) + (+/-)-2-pentanol (6032-29-7,13403-73-1) + 1.3-butanediol (18826-95-4,107-88-0) + 1,2-pentanediol (5343-92-0) + Dimethyl ether (115-10-6,157621-61-9) + ethyl methyl ether (540-67-0) + 2-methyl-propan-1-ol (78-83-1) + 2-pentanol (584-02-1) + pentan-1-ol (71-41-0) + 1,3-pentanediol (3174-67-2) + acetic acid methyl ester (79-20-9) + isopropyl alcohol (67-63-0,8013-70-5) + iso-butanol (78-92-2,15892-23-6) + tert-butyl alcohol (75-65-0) + butan-1-ol (71-36-3) + 1,2-dihydroxybutane (584-03-2)

Guidance literature:

With hydrogen; Zn/Cr/K; at 350 - 420 ℃; under 75007.5 - 135014 Torr; Conversion of starting material;

upstream raw materials:

diazomethane

chloral hydrate

trimethyl phosphite

magnesium methanolate

Downstream raw materials:

trimethoxonium tetrafluoroborate

trimethyloxonium hexachloroantimonate^(1-)

2,4,6-trinitro-benzenesulfonic acid ; trimethyloxonium salt

1-methylindole

Refernces

Efficient asymmetric synthesis of radicicol dimethyl ether: a novel application of ring-forming olefin metathesis.

10.1021/ol0063252

The research focuses on the efficient asymmetric synthesis of radicicol dimethyl ether, a compound derived from the metabolite of Monocillium nordinii with potential antitumor properties. The synthesis strategy is based on a convergent three-stage assembly of the 14-membered lactone, with a key transformation involving a novel ring-forming metathesis reaction using a vinyl epoxide. The synthesis process includes esterification of benzoic acid with a chiral secondary alcohol, chemoselective alkylation of an allylic dithiane, and ring-closing metathesis. Reactants used in the experiments include methyl (R)-3-hydroxybutyric acid, allylic dithiane, and substituted benzoic acid, among others. The analyses involved in the study include NMR, mass spectrometry, and various chromatographic techniques to monitor the progress and purity of the synthesized compounds. The research also discusses the challenges faced in the deprotection of the ketone and the regioselective chlorination of the aromatic ring, as well as ongoing efforts to complete the synthesis of the natural product and generate structural analogues with potential in vivo activity.

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